Convert millimetres to other Common Metric Length Units.

millimetre = mm, centimetre = cm, decimetre = dm, metre = m,
decametre = dam, hectometre = hm, kilometre = km

One millimetre is   10 x smaller than one centimetre 
One millimetre is   100 x smaller than one decimetre
One millimetre is   1000 x smaller than one metre
One millimetre is   10,000 x smaller than one decametre
One millimetre is   100,000 x smaller than one hectometre
One millimetre is   1,000,000 x smaller than one kilometre